Type-writing machine.



No. 891,806. PATENTED JUNE 23, 1908. I G. A. SEIB.

TYPE WRITING MACHINE.

APPLIOATION FILED FEB. 25.1907.

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- H15 TTEIR'NEY No. 891,806 PATENTED JUNE 23, 1908'.

TYPE'WRITING MACHINE.

APPLIUATION FILED FEB. 25. 1907.

2 SHEETS-SHEET 2.

WITNEEEEE:

STATE UOM PANY, or sYnAcusn,

rafrnn'r orrica.

TYPE-WRITING MACHINE.

Specification of Letters Patent.

Patented fur 1e28, 1903.

Application filed February 25, 1907. Serial No. 359,137.

To all whom it may concern:

Be it lcnown that l, (immune A, Sum, citizen of the United States, and resident of Syracuse, inthe county of ()nond'aga and State of New York, have invented certain new and useful lnn'n'ovcinents in Type- Writing Machines, of which the following is a specification.

My invention relates .to typewriting ma chines and more particularly to billing mechanism therefor.

The object of said invention is to provide simple and cllicient billing devices particularly adapted for doing condensed record workf To the above and other ends which will hereinafter appear my invention consists in the features of construction, arrangements of arts and combinations of devices doscri ed in the following specification and particularly set forth in the appended claims.

in the drawings wherein like reference characters indicate corresponding parts in the various views, Figure 1 is an enlarged fragmentary detail sectional view taken on the line cc.r of Fig. 5 and looking in the direction of the arrow at said line, the view illustrating the platen, certain of the billing devices and the associated parts. Fig. 2 isan enlarged detail perspective view of'the left-hand platen head. Fig. 3 is an enlarged left-hand end View of the platen and parts of the platen clutch mechanism, the platen shaftib eing shown in section and the cover plate 17 removed. Fig. 4 is an enlarged detail sectional view with parts broken away, the View being taken on the line of Fig. 1 and looking in the direction of the arrow at said line. l ig. 4 is a fragmentary end view corresponding to Fig. 4 and showing someof the parts illustrated in Fig. 4 in different positions from those shown in said figure. l ig; 5 is a fragmentary left-hand end view of the upper portion of the machine. Fig. 61's an enlarged fragmentary front elevation show ing the left-hand portion of theplaten and the Darts associated therewith. big. 7 isan enlarged detaii perspective view of a combined stop and locking member to be hereinafter described.

1 have shown my invention applied to a Monarch machine with which the devices of my invention can be readily employed without appreciably modifying the structurai features of the typewriting machine.

head 12,

The top plate 1 of the machine is supported. by corner posts 2. Fixed carriage rails 3 are secured to standards 4 which project upwardly from the top plate. The rails 3 are grooved on opposite faces so as to cooperate travel from side to side of the mac ine. End

bars 8 are secured to and project forwardly from the carriage bar 6 and with said bar form a platen frame or carriage. The end bars 8 are aperturcd to provide bearings for a platen shaft 9 which supports and is secured 1n the usual manner to a rotary platen.

The platen comprises an outer sheath 10, an inner wooden core 11, a left-hand platen shown in detail in Fig. 2, and a right-hand platen head (not shown). The loft-hand platen head is secured to the core 11 of the platen by headed wood screws 13 which extend through openings 14 in the flange 1.5 of the platen head and are screwed into the core 11. A line spacing wheel 16 which is in the nature of a ring is mounted to turn on the periphery of axcover late 17 secured by screws 18 to the platen lead, these screws taking into openings 19 in the platen head. 12. The plate 17 prevents 8. 1'l1OV6 mentof the line space wheel to the left, whereas the right-hand face of the line space wheel bears a ainst the flange '15 on the platen head. he line spacing wheel l6 is provided with the usual crown teeth 20. An inwardly projecting flange-21 ofthe line spacing wheel is provided with inwardly projecting teeth 22 with which radially extending pawls or engaging devices 23 cooperate. These pawls are received in radial openings 24 formed between segmental projections 25 on the platen head 12 so thatlthe pawlsare guided in said openings in the sliding movements of the pawls' into and out of-engagement with the teeth 22. The inner end of each pawl 23 is provided'with a; beveled or inclined projection 26 with which the internally beveled face 27 of a sliding member 28 cooperates. The platen head 12 is formed with three parallel longitudinally extending channels 29 in which plungers 30 are received. Coiled expansion springs 31 are likewise received in these channels and each bearsat one end against the bottom wall of ton 38 by which itma shaft 9 so that the member 28 is adapted to I slide longitudinally on the shaft 9, although 'the member 28-and shaft are locked to rotate together. A spindle 36 is received within the spline groove 35 and projects outwardl beyond the fingpr Wheel 37 where the spind e is providedwit a finger-piece or butbe moved longitudinally of the platen. he inner end of the spindle bears against the in 34 and a movement of the spindle ,tot e right forces the sliding member 28 and the plungers 30 to the- 25 right against the re'ssure ofthe springs 31. This movement seffective .to ,mo've the higher portions of the beveled faces 33 on the j plungers away from the pawls 23 and to ring the beveled. surface .27 of the sliding 6 member 28 into contact with the beveled faces or inclined projections; 26 on the awls,

thereby positive moving. the paw s in-, wardly towards t eaxis of'the p aten and carrying the engagingnoses of the pawls' out 35 of'engagem'ent withthe teeth 22 on the line spacing ratchet wheel, so that the platen is at this time disengaged from the'line spacing wheel and may be turned independently (thereof. When pressure is released. on the p finger piece 38 the'spring's 31 force the plungers 30 to theleftand restore the parts tothe normal ositionsshown in Fig. 1.

- V The c utch mechanism thus far described is somewhat similar to that set forth and 'claimed in the application of Hubbard N. Josleyn, Serial No. 335,430, filed September By reference to Fig. 6 it will be seen that 'theusual spring pressed detent roller 39 cooperates with the ratchet teeth 20 of theline spacing wheel and that said line spacing wheel is actuated by a line spacing pawl 40 pivoted at 41"to a pawl-carrier 42; the pawl eing actuated by-a crank arm 43 operatively connected with a finger piece 44. An

' actuation of the finger piece 44 is therefore effective to produce a line spacing movement ofthe platen in the usual manner.

spacing mechanism is or may be of the character usually employed in the Monarch machine. The left-hand end portion of the platen shaft is received in a bearing sleeve 45 (Fig. l.) which in turn is received in an opening in the left-hand end bar 8 of the carriage.

The inner end of this sleeve bears against a The outer .isprovided on themember 49, said stop The line.

stop carrier 46 which in the resent instance is in the nature ofa wheel avin teeth 47 spaced and corresponding in number to the teeth of the line spacing ratchet wheel. This whoel46 receives a bearing on the platen shaft and is provided with an inwardly extending stop pin 48.

A' combined stop and locking member designated as a whole by the reference numeral 49 and which is shown in detail in Fig. 7, is secured by a screw 50 to the bottom edge of the left-hand end bar 8 of the carriage, the screw passing through an aperture 51 in the combined sto and locking member. This. member is in t 1e nature of a spring plate and g0 has an upwardly projecting lug or flange 52 which bears against the outer side of the lefthand end plate as shown in Fig. 5 in order to 'prevent the member 49 from turning on the screw 50 as a pivot.

The screw 50 which g secures the member 49 to the carriage also passes through an opening in a rigid arrestmg member or projection 53 to secure said projection to the carriage beneath the spring member 49. In the normal position of the parts, as shown in Figs. 4 and 5, the upper surface of the projection 53 -'s below the lower face of the spring member 49, but is arran ed beneath said member so as to limit its ownward movement. An engaging 5 tooth 54 projects upwardly from the stop member and is adapted to be maintainer seated between the teeth of the-Wheel 46 by the s ring pressure of said member. A forwar y pro ecting finger piece 55 is formed onthe member 49 in order to'force it down into contact with'the arresting member 53 as the tooth 54 from between the teeth 47 on the wheel'46;" -An upwardly projecting stop 56 iaving a rear abru t orstraight face 57- and a a forward incline face 58 for purposes which will hereinafter more clearly appear. cylindrical sto carrier 59 surround? the platen shaft an receives a,bearing at or 0 end against the wheel 46 and at its opposite endina cut-out or depression 60 formed in the outer face of the plate 17. This cylindrical shown in Fig. 4- ,to efiect a disengagement of stop carrier is provided with an outwardly projecting pin 61 which in its rotation is adapted tocontact with the'stops 48 and 56,. The cylindrical sto carrier 59 has a leaf spring 62 secured. tliereto at one end by a screw 63, the body of the spring conforming to the contour of the cylinder and the free end thereof being bent inwardly at 64 to 'form a pawl which projects through an opening 65 in the cylinder, the outer corner or edge of the pawl 64 being slightly beveled as indicated at 66 in Fig. l for purposes which will hereinafter appear. The sliding member 28 hereinbefore described is formed at its left-hand end portion with .fine ratchet teeth 67 disposed as shown in Fig. .4, the construc- 3O tact with sufficient frictional engagement between the 50 tionally connected with the 6 61 for purposes which will present 65 tooth 54 of the com sea,

hereinbefore described, but when said release is being efiectedone of the ratchet teeth 67 on the sliding member is forced into coeperation with the pawl 64. The pur ose of the beveled or rounded corner 66 on t e tooth or 10 pawl 64 is to enable the ratchet teeth 67 to be readily brought into cooperation with the pawl 64 in the event of the pawl being slightly out of register with a space between said teeth and at the bases thereof. The construetion of the parts is such that when the finger piece 38 is moved to the right to bring the pawl 64 and a ratchet tooth 67 into cooperative relation and to release the line spacing wheel from the platen, the cylindrical stop carrier 59 will be positively looked to turn with the platen and platen shaft during the'rotation of the platen in a backward direction or in the direction of the arrow in Fig. 4. When, however, the platen is retated in an opposite or forward direction the cylindrical .stop carrier 59 will merely be turned with the platen and the sliding member 28 through the frictional engagement between the parts unless the stop 61 is in conthe stop 56. In order to secure parts I employ a friction spring 68 (see Figs. 1 and 4), the free end portions of which embrace the cylinder and partly surround. it and which is formed with a loop 69 in the central portion thereof for coeperation with a headed screw 70 that secures the spring to the plate 17 attachedto the platen head. The

friction of the spring bearing against the cylinder 59 tendsto turn it with the platen.

I'Vhen the stop 61 'meets an obstruction during its forward rotation with the platen, such as the stop 56, the stop 61 and its carrier will be arrested and the platen may continue its forward movement independently of said stop 61 anditscarrier. .When theparts are in the normal positions shown in Fig. 1 andno pressure is maintained on the finger piece 38 then the stop 61 is-1nerely fricplaten and does not obstruct its rotation in either direction.

From an inspection of Fig. 4 it will be understood that when the combined stop and locking member 59 is depressed to the osition'shown in said figure, it effects a re ease of the tooth 54 from engagement with the stop carrying wheel 46-, but that this disengaging movement is insufiicient to carry the stop 56 out of the path of the sto s 48 and y appear. be under: a rotative platen and usted position by the ined locking and stop From what has been said it will stood that the stop 48 may receive adjustment around the axis of the is secured in its ad' device 49 that the stop 56 constitutes a fixed stop with which the stop 61 which travels with the platen coeperates, and that the relative adjustment between the stops 48 and 56 determines, under certain conditions, the extent of rotation of the platen in a backward direction. In other words, when thefinger piece 38-is moved to the right to effect a cooperation between a ratchet tooth 67 and the pawl 64, .backward rotation of the platen at this time enables the platen to be moved a distance corresponding to the distance of the travel of the stop 61 between the stops 56 and 48, the platen being arrested when the stops 61 and 48 are brought into coeperation.

Various methods may be employed for effecting a relative adjustment between the stops 48 and 56 'or for setting -the stops for the particular character of bill or invoice sheets to be employed. One method of setting the stops is as follows: The operator first depresses t e finger piece 55 in order to release the wheel 46. The platen is then given a rearward rotation, the frictional action of the device 59 and of the platen shaft on the wheel 46 carrying this wheel with the platen until the stop 48 is arrested by contact with .the stop 56 when the finger iece .55 is released and the wheel 46 and t e stop 48 carried thereby will be locked in the position to which they have been moved by the platen. This is merely for the purpose of getting the stop 48 temporarily out of a position where it will interfere with the proper adjustment ofthe sto 61. The operator then introduces a hi or invoice sheet ofthe character to be employed into the machine and ste s the platen forward a linesp'ace notch of t e line spacing wheel at a time until that part of the bill where the first line of writing is to appear.usually the date linereaches;the printing point or line, the operator counting the number of' spaces the platen has been rotated, which by way of example may be assumed to be twenty-six. The platen is then turned back twenty-six spaces, the number of spaces which it received in the forward movement of the platen to bring the dateline on the bill to the printing point. This movement effects a movement .of the stop 61 away from its cooperating stop 56 a distance of twenty-six spaces corresponding to that which the platen'has just. received. The finger piece 55 is now depressed releasing the wheel 46. The latter is then turned by hand in a direction opposite to the arrow in Fig. 4 until thestop 48 is brought into contact with the adjusted stop 61. The finger piece is then released, thus locking the stop 48 in its adjusted position. The stops 48 and 56 have now been adjusted a distance apart corresponding to the extent of backward rotation-which the platen is to receive in order to 'take up a newly introduced bill after a bill has been completed as will presgreater than that necessaryto'carry thestop's 61 into contact with the stop 56 mereljre- 'eritl appear. I The bill sheet which has been emp eyed for setting the stops is then remove withoutdisturbin the platen and a bill sheet, record sheet an interposed carbon sheet arethen introduced with their leading" given a forward rotation iii-order to, ring the;

ate'li'ne on'the' bill to the-printing; pointor line. forward: rotation. .Q

with it into engagement wit Any movementof the platentoanextent v suits in moving the; platen independen y lot in orderj to provide for 'properfspacing Tbs-i.

tween entries on the record sheetl $3110? vision may be madehowever, for automaticj- .ally compensating for this spacing-in the first; instance by deducting two or three'spaces, from the number'of line spacing movements which the platen has rece1ved, -"and whichit has been assumedin' the present instance is" ator proceeds to write the b the stop filawhich at this time lsxheldin n;

matter is copied on the record sheet'throughthe interposed carbon.- After the lastlinegof the; bill has been written the operator effects a doubleline spacing movement of the platen twenty-six. Thus the operator instead of moving the platen rearwardly itwenty-six epaces corresponding to the extent of forward movement thereof, will turn the platen rearwardly say twenty-four spaces, thus-ad:

justing' the stop 61 twenty-tour spaces in.-' stead of twenty-six from the stop 56. r A corresponding ad uStment of the stop 48 will be effected when it is brought into contact with the stop 61 By an adjustment of the stops in this manner it 1s necessary to line space after each bill is Written to provide proper spacing between copies of the bills'on the record sheet. After'a bill has beenwrittenthe op- ,erator ushes the finger piece 38 to the right, thus e acting an engagement between the ratchet teeth67 and the pawl.64,thereby positively connecting the stop 61 with the latenf A backwardrotation of the platen rs then eiiected while pressure is maintained on the fiiiger piece 38 carrying the stop 61 from engagement with the fixed'stop 56.

This movement is-continued until thestop 61 is brought into contact with the sto 48and the platen is arrested. The comp ete bill sheet may then be removed Without disturbing the carbon and record sheet and a'new billsheet may be introduced into the 'machine and a forward movement given. to the platen until the date line is brought to the printing point or line. The operator then proceeds to write the bill as before and the a eplaten is effective to'carrythe stopffifigfrictionally" fe stop 56;

andthe written firstline of the copy ofthesecond bill on the recor sheet will appear two line spaces from *duced as before and the operation-eontinued. During the operationyof sthe machine for ordinary-purposes'th'e platen maybe. rotated any desiredjextent forward 'oract: a in the "usualmannenlthe b' Stl'viees in noway' fl et -t enem es"? v hei e t From certam aspects ofi'my invention any suitable means may 'be-emp oyed for effect- 1 ing an adjustment o'f the-stop.48and forlockother changes maybe made without depart:

. in from m invention,

. at I c aim as. new anddeslretosecurejbyLetters Patent, is r I v1 In a typewriting machine; the combination of a platen frame, a; re tary platen, 'astop that is rotative around the ax s of the-platen, -,means for securing said stopjto, the-platen frame} whereby said I stop may beheld a lain'sti movement in ,difierentpositions to w 'ch itflm-ay be rotatively adjusted, a'sec- Tond stop fixedagainst rotation the platen, a third stop, and means to positively rotate the last mentioned stop with the ctienallyf connected j to rotate w th the platenain the opposite :direction and being 10 erative t e platen 2., In a ty'pewriting machine, the combina: tion o'f'a platen frame, a rotary platen, a stop that is rotative around the axis of the platen, ,means fors'ecuring said stop to the platen frame, whereby said stopmay be. held againstmovement in different positions to which it may he rotatively adjusted, a second stop fixed against rotation with the platen, a third stop rotative around the axis of the platen, and pawl and ratchet mechanfor positively turning the third stop with the platen one direction and for enablingthe platen to rotate independently of said third stop in the opposite direction.

the platen, means for securing one of said tions to which it may be rotativelv adjusted, means for positively connecting the other of stop in the opposite direction, and a third stop fixed'against rotation with the platen and projecting into the path of said rotative stops.

4. In a typewriting machine, the combina+ the .last line of the copy of the preceding bill.. This operation may be continued indefinitely: or-untll the record sheetis filled when a newrecord, carbon and bill sheet may "be-intro l-gliaten in one directibmfsaid third stopbeing on one of the other stops to arrest ismbetween said third stop and-the platen stops to the platen frame in different posi-' said stops to rotate with the platen in one direction and iorenabling the platen to rotate independently of the last mentioned .80 ing it"in its adj-usted position and various a 3. Ina typewriting machine, the combination of a platen frame,-a rotary platen, two stops which are rotative around the axis of senses 5 tion of a rotary platen, a stop carrying dish I may be arrested at a predetermined point in rotative around the axis of the platen, a locking device for Ice said disk in different positions to whic it tatively adjusted, a second stop rotative around the axis ofthe platen, means for positively connecting said second stop to rotate with the. platen in one direction and for en abling the platen to rotate independently of the said second stop in the opposite direction,

and a third stop which is attached to said locking device and which projects into the path of said second stop.

5. In a typewriting machine, the combination of a rotary platen, a platen frame, a stop carrying disk rotative around the axis of the platen, a latch for locking said disk against movement in different positions to which it may be rotatively adjusted, a second stop rotative around the axis of the platen, pawl and ratchet mechanism for positively connecting said second stop to rotate with the platen in one direction and for enabling the platen to rotate independently of the said second stop in the opposite direction, and a third stop which is carried by the platen frame and projects into the path ofsaid second stop.

6. In a typevvritin machine, the combination of a rotary pIaten, a stop carrying toothed disk rotatively adjustable around the axis of the platen, a latch for locking said toothed disk fixed in diiierent positions to which it may be rotatively adjusted, a second stop carried by said latch, and a third stop that rotates around the axis of the.

platen and cooperates with said two first mentioned stops.

7. In a typewritin machine, the combination of a rotary paten, a stop carrying toothed disk rotatively adjustable around the axis of the platen, a latch for locking said toothed disk fixed in different positions.

. to which it may be rotatively adjusted, a

second step carried by said latch, a third stop that rotates around the axis of the platen and cotiperates with said two first mentioned stops, and pawl and ratchet mechanism between said third stop and the platen.-

8. In a typewriting machine, the combination of a rotary platen, a platen frame, a stop carrying toothed disk rotatively adjustable ar und the axis of the laten, a latch carried by the platen frame or looking said toothed disk fixed in different positions to which it may be rotatively adjusted, a secondistop carried by said latch, a third stop that rotates around the axis of theplaten'- and cooperates with said two first mentioned stone, and means for positively connecting sai third step to rotate with the platen in one direction and for enabling the platen to rotate independently of said third stop in aten the opposite direction, whereby the p may be ro-:

its rotation in one direction and may be rotated to any desired extent in the opposite direction. 9. In a typewriting machine, the combination of a rotative platen and billing devices for determining the extent of rotation of the platen, said billing devices comprising astop carrier rotatively adjustable around the axis of the platen to diiierent set positions, a stop carried by said-carrier, and a combinedstop and locking device operative to hold said carrier and the stop thereon motionless during the operation of the billing mechanism. 10. In a typewriting machine, the combination of a rotative platen andbilling devices for determining the extent of rotation of the platen, said billing devices comprising a stop carrier rotatively adjustable around the axis of the platen to different set positions,- a stop carried by said carrier, and a combined stop and locking device cooperative'with said carrier and the stop thereon, the stop of the combined stop and locking device projecting into the path of the stop on the carrier, and said devlce co-acting Wit the carrier to hold it in its adjusted position during the operation of-the billing mechanism.

1 In a typewriting machine, the combi' nation of a rotative platen and billing devices for determinin the extent of rotation of the platen, said b' ling devices comprising a stop carrier rotatively adjustable around the axis of the platen, a stop carried by said carrier, a combined'stop and locking device cooperative with said carrier and the stop thereon, and a third stop rotative with the laten, the stop of said combined stop-and coking device projecting into the path of both of the other stops,and said device coacting with said carrier to hold it in its adjusted position during the operation of the billing mechanism.

12. In a typewriting machine, the combination of a rotative platen and billing devices for determining the extent of rotation of the platen, said billing devices comprising a stop carrier rotatively adjustable around the axis of theplaten, a stop carried by said carrier, and a combined stop and locking device codperative with said carrier and the sto thereon, the stop of the combined sto an locking device projecting into the path of the sto on the carrier, and said device coacting wit the carrier to hold itinits adjusted position during the operation of the billing mechanism, the construction and arrangemerit of the parts being such that said combined stop and locking device can be moved to disengage the stop carrier without removing the stop on said device out of the pathof the other stop.

l3.' In a typewriting machine, the combibetween certain of said stop devicesia'nd the nation of a rotative platen and billing defl said carrier to hold it in its adjusted position during the operation of the billing mechanism, the construction and arrangement of the parts being such that said combined stop and locking device can-be. moved to'disengage the stop carrier without removing the stop on said device'out of the path of said third stop which is rotative with the platen. 14. In a typewriting machine, the combination of a rotative platen; a line spacing wheel adapted to turn with the platen andto aflord a rotation of the platen independently. thereof; a clutch for connecting said ated clutch controlling means ;'and billing devices which are rendered operative by anactuation of said clutch controlling means, said billing devices comprising stops and means for rendering the stops effective to" :'arrest the platen in ltSIOtfitiOIl in one direction and'for enabling it to turn td any "desired extent in the opposite direction-' v 15 In a typewriting machine, the combination of a rotative platen. and=billing devices for determininigthe extent of rotation of the platen, said b ling devices com rising stop devices, pawl and ratchet mec "anism .platen-tolock the parts torotate together in one direction and to enable one part to 20-" tate. independently of another in the oppo:

site direction, and spring restored han'd'actuated. controlling means operable inde endently of therotation ofthe platen for t ow-f ing parts of the pawl and ratchet mechanism into and outlof cooperative relation at .will.

16. In a typewriting machine, the combi nation of a rotative platen and-billing cle+ vices for. determinin the extent of rotation of theplaten, said bi ling devices comprising stop devices, pawl and ratehet mechanism between certain of said stop'd'eviees and. the vplaten,for causing the parts to-Inove together f- 1 in one direct on and enabling-them to move independently of one another-in an opposite direction, a part of said pawland' ratchet mechanism being movable longitudinally of the platen, and a finger piece'forcontrolling suc'h movementof said'par t.

V 17. In 'atypewr1t1ng' machine, the, combi-] nation of a rotative platen afgidibillihg-ide vices for determininfi the extent of. rotation of the platen, said b' ing devices comprising a plurality of cooperative stops-for arresting line spacingwheel and platen; hand actur.

the platen, a stop carrier, a pawl, a ratchet, the pawl and ratchet causing the parts to movetogether in one direction and enabling them to move independently of one another in an opposite direction, one of said pawl and ratchet members being movable long1tudi-.-

nally of the platen to bring the pawl and ratchet into or out of cooperative relation,- anda finger piece for effecting snfch relative movement between the pawl and ratchet.

'18. In a typewriting machine,- the combi nation of a rotative platen-and billing d'evioesfor determinin the extent of rotation of the platen, said hi ling devices-comprising a plurality of cooperative stops for arrestin the laten, acylindrical stop carrier, a paw carried b said stop carrier, a ratchet'wheel containe within said cylindrical stop car rier, the pawl and ratchet IWheel causing the parts to movetogether in one direction and enabling them to move independentlyof one another in an opposite-direction, and hand actuated means. operable inde endently of the rotation of the platen for e ecting a relative movement between said ratchet wheel and pawl to bringtlieminto and out of cooperative relation.

19. In a typewriting machine, the combination of a rotative platenv and billing devices for determinin the extentof rotation .of the platen, said hi ling devices comprising a phirality of cooperative stops for arresting the platen, a cylindrical stop carrier, a paw carried by said stop carrier and rojecting' through an opening in said cylin ical stop carrier, a ratchet wheel containedwithin' said cylindrical'st'op carrrier and movable in-' dependently thereof, and 'hand actuated means for effecting'a rnnvenient of said ratchet wheel to'brin itinto and out of cofiperat'i've relation wit said pawl.

20. In a typewritingmachine, the combination of a rotative'platen and billing devices forfdeterminingthe extent of'rotation of the platen, i said billing devices com rising, three stops, a ,carrier for fone' of mi stops, said carrier having a rotative adjustment argund the axis offtheplaten to diflerent'set posiftions andrelative1y toanother of said stops -Wl]lCl1 is maintained fixed against-movement with the'platen, a second carrier which is ar-" ranged to travel with the platen and carries another or the third of said stops, and pawl and ratchet mechanism between the traveling carrier and the platen and effecting a movement of the parts together in one direc' tion and allowing a movement of one of the parts independently of the other in the op- ,posite direction.

21'. In a typewriting machine, the combination of a rotative platen and billing devices for determinin the extent of rotation of the platemsaid' -,illing devices comprising three stops, a carrier for one of said stops,.' saidfc'arrier having a rotative adjustment around the axisof the platen and relatively to another of said stops which is in aintained fixed against movement with the platen, a second carrier which is arranged to travelwith the platen and carries another or the third of said stops, pawl and ratchet mechanism between the traveling carrier and the platen for causing a movement of the parts together in one'direction and allowing a .second carrier which is arranged to travel with the platen and carries another or the third of said stops, pawl and ratchet mechanism between the traveling carrier and the platen for causing a movement of the parts together in one direction and allowinga movement ofone of the parts independently of the other in'the opposite direction, and hand actuated means operable at'will and independently of the rotation of the platen for effecting a relative movement between the parts of the pawl and ratchet mechan ism to render such mechanism inoperative as may be desired.

23. In a typewriting machine, the combination of a rotative platen and billing devices for determining the extent of rotation of the platen, said billing devices comprising three stops, a carrier for one of said stops, said carrier having a rotative adjustment operative or around the axis of the platenand relativelyto another of said stops which is maintained fixed against movementwithfithe platen, said fixed stop having meansfor locking said carrier against movement in different positions to which it may be relatively adjusted, a-second carrierwhich is arranged totravel with the platenfand carries another or the third of said stops, and pawl and ratchet mechanism between the traveling carrier and the platen for causing a movement of the parts together in one direction and allowing amovement of one ofthe parts independently of the other in theopposite direction.

'24. In a typewriting machine, the-combi-- nation. of a rotative platen, a linespacing wheel'adapted to turn with the platen and to enable the platen to rotate independently thereof, a .clutch for spacing wheel and: laten, and billing deices which are ren ered operative when a .i1ar movement'is imparted to a part connecting said line of said clutch, said billing devices comprising a stop carrier rotatively adjustable around the axis of the platen, a stop carried by said carrier, and a combined stop and locking device operative to hold said carrier and the stop thereon motionless during the operation of the-billing devices.

25. In a typewriting machine, the combination of a rotative platen, a line spacing wheel adapted to turn with the platen and to enable the platen to rotate independently thereof, a clutch for connecting said line spacing wheel and platen, and billing devices which are rendered operative when a particular movement is imparted to a part of said so clutch, said billing devices comprising a stop 7 carrier rotatively adjustable around the axis of the platen, a stop carried by said carrier, and a combined stop and locking device co operative with said carrier and the stop there on, the stop of the combined stop and locking device projecting into the path of the stop on the carrier, and said device co-acting with the carrier to hold it motionless in its adjusted position during the operation of the billing devices. r

26. ,In atypewriting'machine, the combi nation of a rotative platen, a line spacing wheel adapted to turn with the platen and to enable the laten, to rotate independently thereof, a c utch for connecting said line spacing wheel and platen, and billing devices which are rendered operative when a particular movement is im arted to apart of said clutch, said billing devices comprising pawl and ratchet mechanism thrown into and out of operation by a part of said clutch.

27. In a typewriting machine, the combination of a rotative platen, a line spacing wheel adapted to turn with the platen andto enable the laten .to rotate independently thereof, a clutch for connecting said line spacing wheel and platen, and billing devices which are rendered operative when a particular movement is im arted to apart of said clutch, said billing dbvices comprising stops for arrestin the platen, pawl and ratchet mechanism etween certain of said stops and the platen, and means controlled by the movement of a part-of the clutch into and 115 out of its operative "position for rendering the pawl and ratchet mechanism operative or inoperative. v

p 2.8. In a typewriting machine, the combination of a rotative platen, a line spacing 120 wheel adapted to turn with the platen and to enable the laten to rotate independently vthereof, a crutch for connectin said line spacing wheel and platen, and bil ing devices which are rendered operative when a particular movement is im arted to a part of said clutch, said billing dbvices comprising three stops, two of said stops being relatively adjustable, certain of said stops being maintained fixed and certain other of said stops 130.

being arranged to travel with the platen for a limited distance, pawl and ratchet mechanism between said traveling stop or stops and the platen, and means operable by a part of 5 said clutch for throwing said pawl and ratchet Witnesses:

mechanism into and cut of Operation. W. J. LOGAN,

Signed at Syracuse, in the county of Onon- 1 J OHN H. HANsEL.

daga and State of New York this 21st day of February A. D. 1907.

GEORGE A. SEIB. 

